import java.util.concurrent.atomic.AtomicInteger;

public class demo46 {
    private static AtomicInteger count=new AtomicInteger(0);
    public static void main(String[] args) throws InterruptedException {
        Thread t1=new Thread(()->{
            for(int i=0;i<50000;i++)
                count.getAndAdd(1);
        });
        Thread t2=new Thread(()->{
            for(int i=0;i<50000;i++){
                count.getAndAdd(1);
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println("count="+count.get());

    }
}
